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Trane GSSD - page 1
Installation Operation & Maintenance WSHPC-IOM-2 72-9041-02 Library Service Literature Product Section Unitary Product W ater Source Heat Pump Model GSSD Literatur e T ype Installation, Operation and Maintenance Sequence 2 Date June 1999 File No. SL-UN-WSHP-GSSD-I OM-2-6-99 Supersedes WSHPC-IOM-2 / 72- 9041-01 (Jan 98) Water Source Heat Pump Re ...
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Trane GSSD - page 2
2 Model Number Descriptions.............. ....... 3 Installation (W ater Loop).. 15 General Information............ .......... 4 Refrigeration Charge........ 16 Receiving and Handling.............. ............ 6 Refrigeration System....... 17 Installatio n Drawings............. ............ 7 Accessories....... ........... . 18 Installatio n (W at ...
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Trane GSSD - page 3
3 DIGITS 1 & 2 - PRODUCT TYPE GS = Ground Source Heat Pump DIGIT 3 - PRODUCT CONFIGU- RATION S = Split System DIGIT 4 - DEVELOPMENT SE- QUENCE D DIGITS 5,6 & 7 - UNIT NOMINAL CAPACITY (MBH) 024 = 24.1 030 = 29.6 036 = 36.4 042 = 41.1 048 = 48.7 060 = 59.2 072 = 65.6 DIGIT 8 - VOLTAGE/HERTZ/ PHASE 1 = 208/230-60-1 DIGIT 9 - UNIT ARRANGEM ENT ...
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Trane GSSD - page 4
4 The GSSD split unit has been ARI rat- ed with the Trane TWE air handlers with ICM 2 variab le speed motors to create a complete split system for res- idential applications. The GSSD equipment is completel y assembled, piped, inte rnally wire d and test operat- ed in the factory. The GSSD equip- ment is ETL and CSA listed. A prewired terminal stri ...
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Trane GSSD - page 5
5 Wa r r a n t y The unit is warranted by the manufac- turer against any defects in material and factory workmanship for one year after installation (labor and parts) . The refrigerant circuit, including the compressor, expansion device, revers- ing valve (less solenoid coil) , and all heat exchangers in contact with refrig- erants are warranted fo ...
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Trane GSSD - page 6
6 The GSSD is packaged in clear stretch wrap to allow immediate visual in- spection. A careful inspecti on should be made for shipping damage. All o r- ders are free on board (FOB) facto- ry, therefore claims must be made with the delivering carrier. Carefully remove the stretch wrap and the top cardboard corner pieces. Also remove the (4) four shi ...
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Trane GSSD - page 7
7 Installation-Location Considerations 23-5/16” 23” TOP VIEW 24-5/16” 24-13/16” 8 -7/16” 13-1/4” 2-1/16” 13-15/16” 7-3/16” 14-3/4” WATER IN-1” NPTI WATER OUT 1” NPTI LIQUID LINE 1/2” O.D . HI VOLTAGE 1-1/8” DIA. 6-7/16” 5-1/2” 3-15/16” 1-7/16” LOW VOLTAGE 1-1/8” DIA . PUMP CONTROL 1-1/8” DIA . SUCTION/DISCH 3 ...
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Trane GSSD - page 8
8 Installation-Location Considerations 23-5/16” 23” TOP VIEW 24-5/16” 24-13/16” 8 -7/16” 11-1/2” 2-1/16” 13” 7-3/16” 14-3/4” WATER IN-1” NPTI WATER OUT 1” NPTI LIQUID LINE 1/2” O.D . HI VOLTAGE 1-1/8” DIA. 6-7/16” 5-1/2” 3-15/16” 1-7/16” LOW VOLTAGE 1-1/8” DIA . PUMP CONTROL 1-1/8” DIA . SUCTION/DISCH 3/4” ...
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Trane GSSD - page 9
9 23-5/16” 23” TOP VIEW 24-5/16” 24-13/16” 8 -7/16” 11-1/2” 2-1/16” 7-3/16” 14-3/4” WATER IN-1” NPTI WATER OUT 1” NPTI LIQUID LINE 1/2” O.D . HI VOLTAGE 1-1/8” DIA. 6-7/16” 5-1/2” 3-15/16” 1-7/16” LOW VOLTAGE 1-1/8” DIA . PUMP CONTROL 1-1/8” DIA . SUCTION/DISCH 3/4” O.D. WATER REG (SCHRADER PORT) DESUPER OUT ...
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Trane GSSD - page 10
10 Installation-Water Connections Location Consideration ! Unit should be placed on a level surface in a indoor protected area. Units should not be installed or stored in an exterior environment. ! There should be approximately 2 to 3 feet of clearance available for accessing the unit for service. Accessiblity into unit is made by re- moving (2) tw ...
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Trane GSSD - page 11
11 RF Y 2 OC RG Y O B W 1 W 2 34 5 6 1 T-Stat (X13510588 020) Manual changeover: -two-stage heat -one-stage co ol TWE (Sizes 031-065) GSSD (Sizes 024-072) GSSD 24V Field Wiring W 1 W 2 Compressor Reversing valve (energized 5 6 in cooling) Field Wiring Connections Power wiring to the unit should be in- stalled per local electric codes by a professio ...
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Trane GSSD - page 12
12 . T able 1: Electrical Data Unit Model: GSSD 024 030 036 042 048 060 072 Electrical V olts-60HZ/1Phase 208-230 208-230 208-230 208-230 208-230 208-230 208-2 30 Compr essor RLA 1 1.4 13.6 15 18.4 20.4 28 32.1 Compr essor LRA 56 67 73 95 109 169 169 Blower Motor RLA 3 5 5.6 5.6 5.6 7.4 7.4 Min. Cir cuit Amp. 14.7 17.4 19.2 23.4 25.9 35.4 40.5 Max ...
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Trane GSSD - page 13
13 Press ure Switch A high pressure switch is provided to protect the compress or against exces- sive refrigeration pressure. The low pressure switch should b e wired in ac- cordance with the type of freezestat that is used. Trane factory supplies two low pressure switches in the re- frigerant circuit. The electrical con- nection is dependant upon ...
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Trane GSSD - page 14
14 L1 L2 1K1 L3 T3 1K1 L1 T1 5F3 5F2 230V 6A MAX TO WATERSOURCE PUMP A,C 6A,C,D,E C 7C 1C1 6E 4 5F1 2A 6F 5C A 7A A R S C 2B1 4S5 6G 4S6 6H DESUPE R- HEATER PUMP 6B1 5C 1TB3-1 16 F,G 1TB3-5 18 1TB3-6 25 1K3 C2 C1 A 1K3 5 19A 4S3 20A 4S4 4S1 21A A 4S4 23 1TB3-7 C A F 1TB3-8 23 A 16 1TB3-2 1K1 D,F D 1K3-24 G 1K1-12,14 NOTES: 1. UNLESS OTHERWISE NOTED ...
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Trane GSSD - page 15
15 Loop W ater Applications It should be noted that there is no me- chanical differen ce between geother- mal (closed loop) and ground water (open loop) GSSD units. General ly in a closed loop application, there is a percentage of antifreeze in the water. In these applications, the 20 degree F freezestat, along with the 7 psig safety pressure switc ...
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Trane GSSD - page 16
16 GSSD Units Coupled with TWE Air Handlers The GSSD IS coupled with the TWE- E series. Table 4 may be used to det er- mine the amount of charge necessary for the split unit system withou t any refrigerant line connecting the two. Table 5 can be used to determine the amount of refrigerant needed for lines. By adding the two weights toget her, the a ...
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Trane GSSD - page 17
17 Refrigeration System ! Compr essor: The unit includes a high efficiency scroll compressor with and internal v ibration isolator that absorbs start ing and stopping energy . It also contains an internal overload protection. External vibration isolatio n is provided by rubber mounting devices located underneath the mounting base of the compressor ...
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Trane GSSD - page 18
18 Accessory Items Note: The following eq ui pment may be pur- chased thr ough the near est T rane dis- tributor . ! W ater Regulating V alve Assembly : The water regulating valve assembly consists of a direct acting valve and a reverse acting valve. The direct acting valve opens in response to an increase in discharge pressure during the cooling c ...
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